Comparisons of the performance of the beam propagation method and a finite difference method in the simulation of dispersion managed soliton systems

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Comparisons of the performance of the beam propagation method and a finite difference method in the simulation of dispersion managed soliton systems

 

Author: Wan, Chi-keung Frankie
Title: Comparisons of the performance of the beam propagation method and a finite difference method in the simulation of dispersion managed soliton systems
Degree: M.Sc.
Year: 2000
Subject: Optical communications
Solitons
Finite differences
Hong Kong Polytechnic University -- Dissertations
Department: Multi-disciplinary Studies
Dept. of Electronic and Information Engineering
Pages: 101 leaves : ill. ; 30 cm
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b1538333
URI: http://theses.lib.polyu.edu.hk/handle/200/195
Abstract: In this thesis, we determine the dispersion managed (DM) soliton solutions in an optical fiber communication system using the split-step Fourier method and a numerical averaging technique. A dispersion managed system is one in which the dispersion varies periodically along the fiber, in a conventional system, the dispersion is constant. Analytical solution exists for conventional soliton systems but not for DM soliton sytems. We compare the properties of the numerically obtained DM soliton solutions with that of the conventional solitons. Split-Step Fourier Method, although very simple to implement, has its drawbacks. We implement a finite difference method to solve for the DM solitons and compare the performance of the finite difference method to that of the split-step Fourier method. We find that the finite difference method is more efficient than the split-step Fourier method.

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